But in a new video, the Home Alone star, 32, looks healthy and eager to gab about his newest venture: Three Men and a Baby, an art collective formed with musician friends Adam Green and Toby Goodshank, from the folk-indie rock band the Moldy Peaches.

Sporting scruffy facial hair, Culkin (who was an attendee at pal Natalie Portman's Big Sur wedding last month) explains that he and his collaborators have been making wacky collage paintings -- including nude renderings of Jerry Seinfeld and Michael Richards! -- in his NYC apartment.